程序包 org.babyfish.jimmer.sql

接口 TransientResolver<ID,V>

类型参数:
ID -
V -
所有超级接口:
org.babyfish.jimmer.sql.cache.PropCacheInvalidator
public interface TransientResolver<ID,V> extends org.babyfish.jimmer.sql.cache.PropCacheInvalidator
Only for java, kotlin developers should use `KTransientResolver`

  • 方法概要

    修饰符和类型
    方法
    说明
    static @NotNull Connection
    currentConnection()
    Get the database connection should be used, it can be ignored if the current resolver is injected by spring and the spring-transaction is enabled.
    default V
    getDefaultValue()
    Please ignore this method if the current calculated property returns nullable type or LIST of entity objects
    default org.babyfish.jimmer.lang.Ref<SortedMap<String,Object>>
    getParameterMapRef()
    Please ignore this method if cache for current calculated property is not enabled.
    Map<ID,V>
    resolve(Collection<ID> ids)
     

    从接口继承的方法 org.babyfish.jimmer.sql.cache.PropCacheInvalidator

    getAffectedSourceIds, getAffectedSourceIds

  • 方法详细资料

    • resolve

      Map<ID,V> resolve(Collection<ID> ids)
      参数:
      ids - A batch of ids of the current objects that are resolving calculated property, it is not null and not empty
      返回:
      A map contains resolved values

    • getDefaultValue

      default V getDefaultValue()
      Please ignore this method if the current calculated property returns nullable type or LIST of entity objects
      返回:
      Then default value, null will be ignored by jimmer.

    • getParameterMapRef

      default org.babyfish.jimmer.lang.Ref<SortedMap<String,Object>> getParameterMapRef()
      Please ignore this method if cache for current calculated property is not enabled.
      返回:
      The reference wrapper of parameterMap
      • If the `Ref` wrapper itself is null, it means there is some filter but not cacheable filter
      • If the `Ref` wrapper itself is not null, it means there is no filter(wrapped value is null) or there is a cacheable filter(wrapped value is not null)

    • currentConnection

      @NotNull static @NotNull Connection currentConnection()
      Get the database connection should be used, it can be ignored if the current resolver is injected by spring and the spring-transaction is enabled.
      返回:
      the database connection should be used, never return null.
      抛出:
      IllegalStateException - cannot retrieve the current connection.